{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943181,-0.332279,0.000000,0.000000,0.186479,-0.529326,0.827671,0.000000,-0.274434,0.778986,0.563796,0.000000,-1752240.824171,4973777.026602,3575703.690412,1],    "boundingVolume": {    "region": [1.909443,0.598926,1.909587,0.599024,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_657840.b3dm"}}}